default index settings test

Author: tteofili

rest-api-spec/src/yamlRestTest/resources/rest-api-spec/test/search.vectors/80_dense_vector_indexed_by_default.yml

@@ -61,6 +61,7 @@ setup:
                 type: hnsw
                 m: 32
                 ef_construction: 200
+                early_termination: false
 
 ---
 "Not indexed vector":
@@ -89,6 +90,7 @@ setup:
               type: dense_vector
               dims: 5
               index: false
+              early_termination: false
 ---
 "Not indexed vector - vector similarity":
   - do:
@@ -147,6 +149,7 @@ setup:
   - match: { test_default_index_options.mappings.properties.vector.index: true }
   - match: { test_default_index_options.mappings.properties.vector.similarity: cosine }
   - match: { test_default_index_options.mappings.properties.vector.index_options.type: int8_hnsw }
+  - match: { test_default_index_options.mappings.properties.vector.index_options.early_termination: false }
 ---
 "Default index options for dense_vector element type byte":
   - requires:
@@ -174,3 +177,4 @@ setup:
   - match: { test_default_index_options.mappings.properties.vector.index: true }
   - match: { test_default_index_options.mappings.properties.vector.similarity: cosine }
   - is_false: test_default_index_options.mappings.properties.vector.index_options.type
+  - match: { test_default_index_options.mappings.properties.vector.index_options.early_termination: false }

server/src/test/java/org/elasticsearch/index/mapper/vectors/DenseVectorFieldTypeTests.java

@@ -681,9 +681,12 @@ public void testRescoreOversampleQueryOverrides() {
 
     public void testFilterSearchThreshold() {
         List<Tuple<DenseVectorFieldMapper.ElementType, Function<Query, KnnSearchStrategy>>> cases = List.of(
-            Tuple.tuple(FLOAT, q -> ((ESKnnFloatVectorQuery) q).getStrategy()),
-            Tuple.tuple(BYTE, q -> ((ESKnnByteVectorQuery) q).getStrategy()),
-            Tuple.tuple(BIT, q -> ((ESKnnByteVectorQuery) q).getStrategy())
+            Tuple.tuple(FLOAT, q -> q instanceof PatienceKnnVectorQuery patienceKnnVectorQuery ?
+                patienceKnnVectorQuery.getSearchStrategy() : ((ESKnnFloatVectorQuery) q).getStrategy()),
+            Tuple.tuple(BYTE, q -> q instanceof PatienceKnnVectorQuery patienceKnnVectorQuery ?
+                patienceKnnVectorQuery.getSearchStrategy() : ((ESKnnByteVectorQuery) q).getStrategy()),
+            Tuple.tuple(BIT, q -> q instanceof PatienceKnnVectorQuery patienceKnnVectorQuery ?
+                patienceKnnVectorQuery.getSearchStrategy() : ((ESKnnByteVectorQuery) q).getStrategy())
         );
         for (var tuple : cases) {
             DenseVectorFieldType fieldType = new DenseVectorFieldType(